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llvm-mirror/test/Transforms/IndVarSimplify/2008-10-03-CouldNotCompute.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

33 lines
936 B
LLVM

; RUN: opt < %s -indvars
; PR2857
@foo = external global i32 ; <i32*> [#uses=1]
define void @test(i32 %n, i32 %arg) {
entry:
br i1 false, label %bb.nph, label %return
bb.nph: ; preds = %entry
%0 = load i32* @foo, align 4 ; <i32> [#uses=1]
%1 = sext i32 %0 to i64 ; <i64> [#uses=1]
br label %bb
bb: ; preds = %bb, %bb.nph
%.in = phi i32 [ %2, %bb ], [ %n, %bb.nph ] ; <i32> [#uses=1]
%val.02 = phi i64 [ %5, %bb ], [ 0, %bb.nph ] ; <i64> [#uses=2]
%result.01 = phi i64 [ %4, %bb ], [ 0, %bb.nph ] ; <i64> [#uses=1]
%2 = add i32 %.in, -1 ; <i32> [#uses=2]
%3 = mul i64 %1, %val.02 ; <i64> [#uses=1]
%4 = add i64 %3, %result.01 ; <i64> [#uses=2]
%5 = add i64 %val.02, 1 ; <i64> [#uses=1]
%6 = icmp sgt i32 %2, 0 ; <i1> [#uses=1]
br i1 %6, label %bb, label %bb3.bb4_crit_edge
bb3.bb4_crit_edge: ; preds = %bb
%.lcssa = phi i64 [ %4, %bb ] ; <i64> [#uses=0]
ret void
return: ; preds = %entry
ret void
}